Similar packages:

GNU R epidemiological analysis

Functions for demographic and epidemiological analysis in the Lexis diagram,
i.e. register and cohort follow-up data, including interval censored data and
representation of multistate data. Also some useful functions for tabulation
and plotting. Contains some epidemiological datasets.

The Epi package is mainly focused on "classical" chronic disease epidemiology.
The package has grown out of the course Statistical Practice in Epidemiology
using R (see http://www.pubhealth.ku.dk/~bxc/SPE).